rippled sign s████████████████████████████ '{
  "Account": "rfkE1aSy9G8Upk4JssnwBxhEv5p4mn2KTy",
  "TransactionType": "CheckCash",
  "Amount": "100000000",
  "CheckID": "838766BA2B995C00744175F69A1B11E32C3DBC40E64801A4056FCBD657F57334",
  "Fee": "12"
}'
